“Taking things in chronological order” would look like this, under the Constitution. See: 6th Amendment.
There are no ifs, ands, or buts about it.
Derek Chauvin skipped several steps in this process, and indeed capital punishment would never be warranted even if Floyd were found guilty of drug possession and/or passing counterfeit currency.
And indeed, the world had no idea George Floyd was high on fentanyl until his autopsy was taken.
Let that sink in